AUXSW11PGND2AUXVIN3SYNC4RT5TK/SS6FB7VC8PG9MODE10OVLO11UVLO12EN13VIN14GND15IMON16ICTRL17ICOMP18SENSE+19SENSE–20SW21TG22BOOST23BGRTN24BG25INTVCC26AUXSW227AUXBST28EP29